build: fix make dist with certain conditionals not met.

Fix generation of source tarballs when certain conditionals are not
met. e.g. always include all buildable codecparsers sources in the
distribution tarball, fix plug-in element sources set to include X11
and encoder bits.

gst-libs/gst/codecparsers/Makefile.am

@@ -98,9 +98,39 @@ $(gen_source_h): %.h: $(local_codecparsers_srcdir)/%.h
 $(top_builddir)/ext/libvpx/libgstcodecparsers_vpx.la:
 	$(MAKE) -C $(top_builddir)/ext/libvpx
 
+# All sources and headers that could be used here
+all_source_c = \
+	dboolhuff.c				\
+	gsth264parser.c				\
+	gstjpegparser.c				\
+	gstmpeg4parser.c			\
+	gstmpegvideoparser.c			\
+	gstvaapilibvpx.c			\
+	gstvc1parser.c				\
+	gstvp8parser.c				\
+	gstvp8rangedecoder.c			\
+	nalutils.c				\
+	parserutils.c				\
+	vp8utils.c				\
+	$(NULL)
+
+all_source_h = \
+	dboolhuff.h				\
+	gsth264parser.h				\
+	gstjpegparser.h				\
+	gstmpeg4parser.h			\
+	gstmpegvideoparser.h			\
+	gstvc1parser.h				\
+	gstvp8parser.h				\
+	gstvp8rangedecoder.h			\
+	nalutils.h				\
+	parserutils.h				\
+	vp8utils.h				\
+	$(NULL)
+
 EXTRA_DIST = \
-	$(add_source_c) \
+	$(all_source_c) \
-	$(add_source_h) \
+	$(all_source_h) \
 	$(NULL)
 
 DISTCLEANFILES = $(GENFILES) .timestamp.symlinks

gst/vaapi/Makefile.am

@@ -123,7 +123,6 @@ libgstvaapi_source_c += $(libgstvaapi_1_0p_source_c)
 libgstvaapi_source_h += $(libgstvaapi_1_0p_source_h)
 endif
 
-if USE_GST_API_0_10
 libgstvaapi_0_10_source_c = \
 	gstvaapidownload.c	\
 	gstvaapiupload.c	\
@@ -133,7 +132,6 @@ libgstvaapi_0_10_source_h = \
 	gstvaapidownload.h	\
 	gstvaapiupload.h	\
 	$(NULL)
-endif
 
 if USE_GST_API_0_10
 libgstvaapi_source_c += $(libgstvaapi_0_10_source_c)
@@ -166,6 +164,10 @@ libgstvaapi_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstvaapi_la_LIBTOOLFLAGS = --tag=disable-static
 
 EXTRA_DIST = \
+	$(libgstvaapi_enc_source_c)	\
+	$(libgstvaapi_enc_source_h)	\
+	$(libgstvaapi_x11_source_c)	\
+	$(libgstvaapi_x11_source_h)	\
 	$(libgstvaapi_glx_source_c)	\
 	$(libgstvaapi_glx_source_h)	\
 	$(libgstvaapi_1_2p_source_c)	\